Graham Buck's wife, Karen, said her life had been "turned upside down" by her husband's death.
Shortly before his murder, Mr Buck had returned for a long weekend in Poland, where he met his baby granddaughter for the first time.
More top news
A Jack Russell Terrier from California has entered the record books after setting the fastest time to pop 100 balloons by a dog.
A woman who wants to use her dead daughter's frozen eggs to give birth to her own grandchild, has won a Court of Appeal battle.
June closes on a disappointing note